How does Ubuntu open the ssh service

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Update Ubuntu Feed

Open the "terminal window" and enter "sudo apt-get update". The terminal window can use the search file terminal under the graphical interface.

Install the ssh server

Ubuntu has a ssh client installed by default, but no server

Open the Terminal window and enter "sudo apt-get install openssh-server"

Check to see if the ssh service starts

Open the Terminal window and enter "sudo ps-e | grep ssh"

Sshd appears, indicating that the ssh service has been started.

Modify the configuration file using gedit

Sudo gedit / etc/ssh/sshd_config

PermitRootLogin without-password "plus" # "comment out, with this sentence, a root account with a password cannot be logged in through ssh.

Add "PermitRootLogin yes", which allows root users to log in

Change the password of root account

Sudo pwsswd root

Sudo service ssh start / / start the ssh service

Sudo service ssh restart / / restart the ssh service

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